cve/2020/CVE-2020-26960.md

CVE-2020-26960

Description

If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1670358
• https://bugzilla.mozilla.org/show_bug.cgi?id=1670358

Github

No PoCs found on GitHub currently.